Lantern



FIG. 1 is a left front perspective view of a lantern embodying my new design;

FIG. 2 is a right side elevational view thereof on an enlarged scale;

FIG. 3 is a rear elevational view thereof on an enlarged scale;

FIG. 4 is a top plan view thereof on an enlarged scale;

FIG. 5 is a bottom plan view thereof on an enlarged scale. 

The ornamental design for a lantern, substantially as shown and described. 